<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        table{
            border-collapse:collapse;
            border-spacing: spacing;
        }
        table td{
            border:1px solid black;
            padding:10px 30px;
        }
    </style>
</head>
<body>
    <table>
        <thead>
            <tr>
                <td>11</td>
                <td>21</td>
                <td>31</td>
                <tbody>
                    <tr>
                        <td>12</td>
                        <td>22</td>
                        <td>32</td>
                    </tr>
                    <tr>
                        <td>12</td>
                        <td>22</td>
                        <td>32</td>
                    </tr>
                </tbody>
            </tr>
        </thead>
    </table>
</body>
</html>